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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM AQUECEDOR PORTÁTIL

Em AnáliseUtility Model

Application data

Number

MU6300783

Type

Utility Model

Filing

06/13/1983

Publication

01/29/1985

Progress at the INPI

  1. Filing06/13/83
  2. Publication01/29/85
  3. Examination10/01/85
  4. Allowance09/30/86
  5. Grant06/30/87
  6. Terminated05/24/88

The patent was granted on 06/30/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Metalúrgica Triches Ltda

RS, BR

See this company's full portfolio

Inventors

T. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

06/30/1987

RPI 871

Notificação para pagamento de retribuição

#13.1

03/04/1987

RPI 854

Deferimento

#9.1

09/30/1986

RPI 832

Pedido de certificado de adição de invenção

#5.1

02/04/1986

RPI 798

Solicitação de exame técnico

#4.1

10/01/1985

RPI 780

14.4

03/05/1985

RPI 750

Publicação do pedido de patente

#3.1

01/29/1985

RPI 745

Pedido de patente depositado

#2.1

07/26/1983

RPI 666

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